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1<?php
2namespace Apie\StorageMetadata\Converters;
3
4use Apie\Core\Utils\ConverterUtils;
5use Apie\TypeConverter\ConverterInterface;
6use DOMAttr;
7use DOMDocument;
8use DOMElement;
9use ReflectionType;
10
11/**
12 * @implements ConverterInterface<?string, DOMAttr|DOMElement|null>
13 */
14class StringToDom implements ConverterInterface
15{
16    public function convert(?string $input, ?ReflectionType $wantedType): DOMAttr|DOMElement|null
17    {
18        if ($input === null && $wantedType?->allowsNull()) {
19            return null;
20        }
21        $class = ConverterUtils::toReflectionClass($wantedType);
22        assert($class !== null);
23        if ($class->name === DOMAttr::class) {
24            if (preg_match('/^([A-Za-z_][A-Za-z0-9_.:-]*)="(.*)"$/s', $input, $matches)) {
25                return new DOMAttr($matches[1], htmlspecialchars_decode($matches[2], ENT_XML1));
26            }
27            return new DOMAttr('value', $input);
28        }
29
30        $document = new DOMDocument();
31        $document->loadXML($input, LIBXML_NONET);
32        return $document->documentElement;
33    }
34}